Asp.net mvc ASP.NET Core 1.0中的AWS Elastic Beanstalk环境变量
如何将环境变量从elastic beanstalk获取到asp.net核心mvc应用程序中?我添加了一个.ebextensions文件夹,其中包含app.config文件,其中包含以下内容:Asp.net mvc ASP.NET Core 1.0中的AWS Elastic Beanstalk环境变量,asp.net-mvc,asp.net-core,environment-variables,amazon-elastic-beanstalk,asp.net-core-1.0,Asp.net Mvc,Asp.net Core,Environment Variables,Amazon Elastic Beanstalk,Asp.net Core 1.0,如何将环境变量从elastic beanstalk获取到asp.net核心mvc应用程序中?我添加了一个.ebextensions文件夹,其中包含app.config文件,其中包含以下内容: option_settings: - option_name: HelloWorld value: placeholder - option_name: ASPNETCORE_ENVIRONMENT value: placeholder .ebextensions文件夹包含在发布包中 在部署时,
option_settings:
- option_name: HelloWorld
value: placeholder
- option_name: ASPNETCORE_ENVIRONMENT
value: placeholder
.ebextensions文件夹包含在发布包中
在部署时,这两个变量在aws elasticbeanstalk控制台的“配置”>“软件配置”>“环境变量”中可见
但是,当我尝试读取应用程序中的变量时,以下选项均不起作用:
Environment.GetEnvironmentVariable("HelloWorld") // In controller
Configuration["HelloWorld"] // In startup.cs
你知道我可能会错过什么吗?谢谢。遇到同样的问题,刚刚收到AWS支持部门关于此问题的回复。显然,环境变量没有正确地注入到elastic beanstalk中的ASP.NET核心应用程序中 据我所知,他们正在努力解决这个问题 解决方法是将
C:\Program Files\Amazon\ElasticBeanstalk\config\containerconfiguration
解析到configuration builder中。此文件是elastic beanstalk环境的一部分,在部署项目时应该可以访问
首先添加文件:
var builder = new ConfigurationBuilder()
.SetBasePath("C:\\Program Files\\Amazon\\ElasticBeanstalk\\config")
.AddJsonFile("containerconfiguration", optional: true, reloadOnChange: true);
然后访问以下值:
var env = Configuration.GetSection("iis:env").GetChildren();
foreach (var envKeyValue in env)
{
var splitKeyValue = envKeyValue.Value.Split('=');
var envKey = splitKeyValue[0];
var envValue = splitKeyValue[1];
if (envKey == "HelloWorld")
{
// use envValue here
}
}
承蒙
G.P.来自
Amazon Web Services我实现了另一个答案,创建了一个方便的解决方案,将环境属性从Elastic Beanstalk直接加载到ASP.NET核心应用程序配置中 对于ASP.NET Core 2.0-编辑程序.cs 请注意,此WebHost构建来自WebHostBuilder.CreateDefaultBuilder()的源代码
使用System.Collections.Generic;
使用System.IO;
使用System.Linq;
运用系统反思;
使用Microsoft.AspNetCore.Hosting;
使用Microsoft.AspNetCore.Server.Kestrel.Core;
使用Microsoft.AspNetCore.Server.Kestrel.Core.Internal;
使用Microsoft.Extensions.Configuration;
使用Microsoft.Extensions.DependencyInjection;
使用Microsoft.Extensions.Logging;
使用Microsoft.Extensions.Options;
命名空间NightSpotAdm
{
公共课程
{
公共静态void Main(字符串[]args)
{
BuildWebHost(args.Run();
}
公共静态IWebHost BuildWebHost(字符串[]args)
{
//TEMP CONFIG BUILDER以获取弹性BEANSTALK配置中的值
IConfigurationBuilder tempConfigBuilder=新的ConfigurationBuilder();
tempConfigBuilder.AddJsonFile(
@“C:\Program Files\Amazon\ElasticBeanstalk\config\containerconfiguration”,
可选:true,
重载更改:true
);
IConfigurationRoot tempConfig=tempConfigBuilder.Build();
字典ebConfig=ElasticBeanstalk.GetConfig(tempConfig);
//启动WEB主机生成器
IWebHostBuilder=新的WebHostBuilder()
.UseKestrel()
.UseContentRoot(目录.GetCurrentDirectory());
//检查EBCONFIG中是否有环境密钥
//如果是这样,那么就改变构建器环境
const string envKey=“ASPNETCORE\u环境”;
if(ebConfig.ContainsKey(envKey))
{
字符串ebEnvironment=ebConfig[envKey];
建筑商使用环境(ebEnvironment);
}
//继续正常使用WEB主机生成器
builder.ConfigureAppConfiguration((hostingContext,config)=>
{
IHostingEnvironment env=hostingContext.HostingEnvironment;
//添加ELASTIC BEANSTALK配置字典
config.AddJsonFile(
“appsettings.json”,
可选:true,
重载更改:true
)
.AddJsonFile(
$“appsettings.{env.EnvironmentName}.json”,
可选:true,
重载更改:true
)
.AddInMemoryCollection(ebConfig);
if(env.IsDevelopment())
{
Assembly appAssembly=Assembly.Load(新的AssemblyName(env.ApplicationName));
如果(appAssembly!=null)
{
config.AddUserSecrets(appAssembly,可选:true);
}
}
config.AddEnvironmentVariables();
如果(args!=null)
{
config.AddCommandLine(args);
}
})
.ConfigureLogging((hostingContext,logging)=>
{
logging.AddConfiguration(hostingContext.Configuration.GetSection(“logging”));
logging.AddConsole();
logging.AddDebug();
})
.Useii整合()
.UseDefaultServiceProvider(
(上下文,选项)=>{options.ValidateScopes=context.HostingEnvironment.IsDevelopment();})
.配置服务(
服务=>
{
services.AddTransient();
});
返回builder.UseStartup().Build();
}
}
公共静态类ElasticBeanstalk
{
公共静态字典GetConfig(IConfiguration配置)
{
返回
configuration.GetSection(“iis:env”)
.GetChildren()
.Select(pair=>pair.Value.Split(新[]{'=},2))
.ToDictionary(keypair=>keypair[0],keypair=>keypair[1]);
}
}
}
对于ASP.NET Core 1.0
public Startup(IHostingEnvironment env)
{
var builder = new ConfigurationBuilder()
.SetBasePath(env.ContentRootPath)
.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
.AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true)
.AddJsonFile(@"C:\Program Files\Amazon\ElasticBeanstalk\config\containerconfiguration", optional: true, reloadOnChange: true)
.AddEnvironmentVariables();
var config = builder.Build();
builder.AddInMemoryCollection(GetEbConfig(config));
Configuration = builder.Build();
}
private static Dictionary<string, string> GetEbConfig(IConfiguration configuration)
{
Dictionary<string, string> dict = new Dictionary<string, string>();
foreach (IConfigurationSection pair in configuration.GetSection("iis:env").GetChildren())
{
string[] keypair = pair.Value.Split(new [] {'='}, 2);
dict.Add(keypair[0], keypair[1]);
}
return dict;
}
公共启动(IHostingEnvironment环境)
{
var builder=new ConfigurationBuilder()
.SetBasePath(环境C
public Startup(IHostingEnvironment env)
{
var builder = new ConfigurationBuilder()
.SetBasePath(env.ContentRootPath)
.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
.AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true)
.AddJsonFile(@"C:\Program Files\Amazon\ElasticBeanstalk\config\containerconfiguration", optional: true, reloadOnChange: true)
.AddEnvironmentVariables();
var config = builder.Build();
builder.AddInMemoryCollection(GetEbConfig(config));
Configuration = builder.Build();
}
private static Dictionary<string, string> GetEbConfig(IConfiguration configuration)
{
Dictionary<string, string> dict = new Dictionary<string, string>();
foreach (IConfigurationSection pair in configuration.GetSection("iis:env").GetChildren())
{
string[] keypair = pair.Value.Split(new [] {'='}, 2);
dict.Add(keypair[0], keypair[1]);
}
return dict;
}
public Startup(IHostingEnvironment env)
{
var builder = new ConfigurationBuilder()
.SetBasePath(env.ContentRootPath)
.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
.AddJsonFile($"appsettings.{GetEnvVariableAWSBeansTalkHack(env)}.json", optional: true)
.AddEnvironmentVariables();
Configuration = builder.Build();
}
private static string GetEnvVariableAWSBeansTalkHack(IHostingEnvironment env)
{
var config = new ConfigurationBuilder()
.AddJsonFile(@"C:\Program Files\Amazon\ElasticBeanstalk\config\containerconfiguration", optional: true, reloadOnChange: true).Build();
Dictionary<string, string> dict = new Dictionary<string, string>();
foreach (IConfigurationSection pair in config.GetSection("iis:env").GetChildren())
{
string[] keypair = pair.Value.Split(new[] { '=' }, 2);
dict.Add(keypair[0], keypair[1]);
}
return dict.ContainsKey("ASPNETCORE_ENVIRONMENT")
? dict["ASPNETCORE_ENVIRONMENT"]
: env.EnvironmentName;
}
using Microsoft.Extensions.Configuration;
using Newtonsoft.Json.Linq;
using System.IO;
using System.Linq;
namespace Microsoft.Extensions.Configuration.AWS
{
public class AmazonEBConfigurationProvider : ConfigurationProvider
{
private const string ConfigurationFilename = @"C:\Program Files\Amazon\ElasticBeanstalk\config\containerconfiguration";
public override void Load()
{
if (!File.Exists(ConfigurationFilename))
return;
string configJson;
try
{
configJson = File.ReadAllText(ConfigurationFilename);
}
catch
{
return;
}
var config = JObject.Parse(configJson);
var env = (JArray)config["iis"]["env"];
if (env.Count == 0)
return;
foreach (var item in env.Select(i => (string)i))
{
int eqIndex = item.IndexOf('=');
Data[item.Substring(0, eqIndex)] = item.Substring(eqIndex + 1);
}
}
}
public class AmazonEBConfigurationSource : IConfigurationSource
{
public IConfigurationProvider Build(IConfigurationBuilder builder)
{
return new AmazonEBConfigurationProvider();
}
}
public static class AmazonEBExtensions
{
public static IConfigurationBuilder AddAmazonElasticBeanstalk(this IConfigurationBuilder configurationBuilder)
{
configurationBuilder.Add(new AmazonEBConfigurationSource());
return configurationBuilder;
}
}
}
var builder = new ConfigurationBuilder()
.SetBasePath(env.ContentRootPath)
.AddJsonFile("appsettings.json", true, true)
.AddJsonFile($"appsettings.{env.EnvironmentName}.json", true)
.AddAmazonElasticBeanstalk() // <-- Merge with other sources
.AddEnvironmentVariables();
private static void SetEbConfig()
{
var tempConfigBuilder = new ConfigurationBuilder();
tempConfigBuilder.AddJsonFile(
@"C:\Program Files\Amazon\ElasticBeanstalk\config\containerconfiguration",
optional: true,
reloadOnChange: true
);
var configuration = tempConfigBuilder.Build();
var ebEnv =
configuration.GetSection("iis:env")
.GetChildren()
.Select(pair => pair.Value.Split(new[] { '=' }, 2))
.ToDictionary(keypair => keypair[0], keypair => keypair[1]);
foreach (var keyVal in ebEnv)
{
Environment.SetEnvironmentVariable(keyVal.Key, keyVal.Value);
}
}
private static void SetEbConfig()
{
var tempConfigBuilder = new ConfigurationBuilder();
tempConfigBuilder.AddJsonFile(
@"C:\Program Files\Amazon\ElasticBeanstalk\config\containerconfiguration",
optional: true,
reloadOnChange: true
);
var configuration = tempConfigBuilder.Build();
var ebEnv = configuration.GetSection("plugins:rds:env")
.GetChildren()
.ToDictionary(child => child.Key, child => child.Value);
foreach (var keyVal in ebEnv)
{
Environment.SetEnvironmentVariable(keyVal.Key, keyVal.Value);
}
}
{
"plugins": {
"rds": {
"Description": "RDS Environment variables",
"env": {
"RDS_PORT": "....",
"RDS_HOSTNAME": "....",
"RDS_USERNAME": "....",
"RDS_DB_NAME": "....",
"RDS_PASSWORD": "...."
}
}
}
}
commands:
set_environment:
command: setx ASPNETCORE_ENVIRONMENT "Development" /M
option_settings:
aws:elasticbeanstalk:application:environment:
MyEnvVar: SomeValue